BUG: do not remove temporaries from eval/query scope
Merge pull request #7303 from cpcloud/eval-local-string-fix-7300

BUG: do not remove temporaries from eval/query scope
BUG: allow dup indexing with Float64Index
Merge pull request #7149 from cpcloud/float64index-dup-fix-7143

BUG: allow dup indexing with Float64Index
TST/ERR: raise a ValueError at runtime for incompatible versions of openpyxl

instead of warning at import time

add openpyxl 2.0.3 to trigger travis fails on import
Merge pull request #7285 from cpcloud/openpyxl-format-string-fix-7284

BUG/CI/TST: fix format strings
ENH/TST: add anonymous reading of s3 for public buckets